diff options
Diffstat (limited to 'source/blender/blenlib/intern/math_geom.c')
| -rw-r--r-- | source/blender/blenlib/intern/math_geom.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/source/blender/blenlib/intern/math_geom.c b/source/blender/blenlib/intern/math_geom.c index 74abd7e8c7e..931025606db 100644 --- a/source/blender/blenlib/intern/math_geom.c +++ b/source/blender/blenlib/intern/math_geom.c @@ -180,7 +180,7 @@ float dist_to_line_v2(const float p[2], const float l1[2], const float l2[2]) /* distance p to line-piece v1-v2 */ float dist_squared_to_line_segment_v2(const float p[2], const float l1[2], const float l2[2]) { - float labda, rc[2], pt[2], len; + float lambda, rc[2], pt[2], len; rc[0] = l2[0] - l1[0]; rc[1] = l2[1] - l1[1]; @@ -191,18 +191,18 @@ float dist_squared_to_line_segment_v2(const float p[2], const float l1[2], const return (rc[0] * rc[0] + rc[1] * rc[1]); } - labda = (rc[0] * (p[0] - l1[0]) + rc[1] * (p[1] - l1[1])) / len; - if (labda <= 0.0f) { + lambda = (rc[0] * (p[0] - l1[0]) + rc[1] * (p[1] - l1[1])) / len; + if (lambda <= 0.0f) { pt[0] = l1[0]; pt[1] = l1[1]; } - else if (labda >= 1.0f) { + else if (lambda >= 1.0f) { pt[0] = l2[0]; pt[1] = l2[1]; } else { - pt[0] = labda * rc[0] + l1[0]; - pt[1] = labda * rc[1] + l1[1]; + pt[0] = lambda * rc[0] + l1[0]; + pt[1] = lambda * rc[1] + l1[1]; } rc[0] = pt[0] - p[0]; @@ -301,17 +301,17 @@ float dist_to_line_segment_v3(const float v1[3], const float v2[3], const float /* intersect Line-Line, shorts */ int isect_line_line_v2_int(const int v1[2], const int v2[2], const int v3[2], const int v4[2]) { - float div, labda, mu; + float div, lambda, mu; div = (float)((v2[0] - v1[0]) * (v4[1] - v3[1]) - (v2[1] - v1[1]) * (v4[0] - v3[0])); if (div == 0.0f) return ISECT_LINE_LINE_COLINEAR; - labda = ((float)(v1[1] - v3[1]) * (v4[0] - v3[0]) - (v1[0] - v3[0]) * (v4[1] - v3[1])) / div; + lambda = ((float)(v1[1] - v3[1]) * (v4[0] - v3[0]) - (v1[0] - v3[0]) * (v4[1] - v3[1])) / div; mu = ((float)(v1[1] - v3[1]) * (v2[0] - v1[0]) - (v1[0] - v3[0]) * (v2[1] - v1[1])) / div; - if (labda >= 0.0f && labda <= 1.0f && mu >= 0.0f && mu <= 1.0f) { - if (labda == 0.0f || labda == 1.0f || mu == 0.0f || mu == 1.0f) return ISECT_LINE_LINE_EXACT; + if (lambda >= 0.0f && lambda <= 1.0f && mu >= 0.0f && mu <= 1.0f) { + if (lambda == 0.0f || lambda == 1.0f || mu == 0.0f || mu == 1.0f) return ISECT_LINE_LINE_EXACT; return ISECT_LINE_LINE_CROSS; } return ISECT_LINE_LINE_NONE; @@ -335,17 +335,17 @@ int isect_line_line_v2_point(const float v1[2], const float v2[2], const float v /* intersect Line-Line, floats */ int isect_line_line_v2(const float v1[2], const float v2[2], const float v3[2], const float v4[2]) { - float div, labda, mu; + float div, lambda, mu; div = (v2[0] - v1[0]) * (v4[1] - v3[1]) - (v2[1] - v1[1]) * (v4[0] - v3[0]); if (div == 0.0f) return ISECT_LINE_LINE_COLINEAR; - labda = ((float)(v1[1] - v3[1]) * (v4[0] - v3[0]) - (v1[0] - v3[0]) * (v4[1] - v3[1])) / div; + lambda = ((float)(v1[1] - v3[1]) * (v4[0] - v3[0]) - (v1[0] - v3[0]) * (v4[1] - v3[1])) / div; mu = ((float)(v1[1] - v3[1]) * (v2[0] - v1[0]) - (v1[0] - v3[0]) * (v2[1] - v1[1])) / div; - if (labda >= 0.0f && labda <= 1.0f && mu >= 0.0f && mu <= 1.0f) { - if (labda == 0.0f || labda == 1.0f || mu == 0.0f || mu == 1.0f) return ISECT_LINE_LINE_EXACT; + if (lambda >= 0.0f && lambda <= 1.0f && mu >= 0.0f && mu <= 1.0f) { + if (lambda == 0.0f || lambda == 1.0f || mu == 0.0f || mu == 1.0f) return ISECT_LINE_LINE_EXACT; return ISECT_LINE_LINE_CROSS; } return ISECT_LINE_LINE_NONE; @@ -2435,7 +2435,7 @@ void interp_barycentric_tri_v3(float data[3][3], float u, float v, float res[3]) /***************************** View & Projection *****************************/ -void orthographic_m4(float matrix[][4], const float left, const float right, const float bottom, const float top, +void orthographic_m4(float matrix[4][4], const float left, const float right, const float bottom, const float top, const float nearClip, const float farClip) { float Xdelta, Ydelta, Zdelta; @@ -2481,7 +2481,7 @@ void perspective_m4(float mat[4][4], const float left, const float right, const } /* translate a matrix created by orthographic_m4 or perspective_m4 in XY coords (used to jitter the view) */ -void window_translate_m4(float winmat[][4], float perspmat[][4], const float x, const float y) +void window_translate_m4(float winmat[4][4], float perspmat[4][4], const float x, const float y) { if (winmat[2][3] == -1.0f) { /* in the case of a win-matrix, this means perspective always */ @@ -2509,7 +2509,7 @@ void window_translate_m4(float winmat[][4], float perspmat[][4], const float x, } } -static void i_multmatrix(float icand[][4], float Vm[][4]) +static void i_multmatrix(float icand[4][4], float Vm[4][4]) { int row, col; float temp[4][4]; @@ -2523,7 +2523,7 @@ static void i_multmatrix(float icand[][4], float Vm[][4]) copy_m4_m4(Vm, temp); } -void polarview_m4(float Vm[][4], float dist, float azimuth, float incidence, float twist) +void polarview_m4(float Vm[4][4], float dist, float azimuth, float incidence, float twist) { unit_m4(Vm); @@ -2534,7 +2534,7 @@ void polarview_m4(float Vm[][4], float dist, float azimuth, float incidence, flo rotate_m4(Vm, 'Z', -azimuth); } -void lookat_m4(float mat[][4], float vx, float vy, float vz, float px, float py, float pz, float twist) +void lookat_m4(float mat[4][4], float vx, float vy, float vz, float px, float py, float pz, float twist) { float sine, cosine, hyp, hyp1, dx, dy, dz; float mat1[4][4] = MAT4_UNITY; |